245431560 has 96 divisors (see below), whose sum is σ = 809363520. Its totient is φ = 59495040.

The previous prime is 245431547. The next prime is 245431561. The reversal of 245431560 is 65134542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245431561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6069 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (8430870).

Almost surely, 2^245431560 is an apocalyptic number.

245431560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245431560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404681760).

245431560 is an abundant number, since it is smaller than the sum of its proper divisors (563931960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245431560 is a wasteful number, since it uses less digits than its factorization.

245431560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16939 (or 16924 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 245431560 is about 15666.2554555963. The cubic root of 245431560 is about 626.0996619218.

The spelling of 245431560 in words is "two hundred forty-five million, four hundred thirty-one thousand, five hundred sixty".